NDLI: Nonlinear Modeling and Optimal Controller Design for Radar Servo System

Content Provider	IEEE Xplore Digital Library
Author	Liu Xia Huang Qi Chen Yong Li Jian
Copyright Year	2009
Abstract	Radar servo system is a complex system with nonlinearity and coupling. In this paper, the nonlinear mathematical model of radar servo system is established according to the model of executive motor and the load characteristics of radar antenna. Based on the model, an optimal controller for radar servo system is designed by the theory of feedback linearization and linear quadratic regulator (LQR). The feedback linearization approach is employed to realize the linearization and decoupling of the nonlinear model, and LQR is used to design the optimal controller to ensure that the speed tracking error is optimal. The experimental results show that, compared with the traditional feedforward control and feedback control, the designed optimal controller enhances the speed tracking accuracy of radar servo system, while suppressing the load disturbance more effectively.
Starting Page	327
Ending Page	330
File Size	449132
Page Count	4
File Format	PDF
ISBN	9780769538594
DOI	10.1109/IITA.2009.388
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2009-11-21
Publisher Place	China
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Nonlinear control systems Radar tracking Control systems Couplings Nonlinear modeling Linear feedback control systems Rradar servo system Optimal control Radar antennas Servomechanisms Mathematical model Servomotors Optimal controller
Content Type	Text
Resource Type	Article

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